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So its begun.....
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16,838 Posts
Discussion Starter #1
P0420 is the code I'm getting...
Catalyst System Effeciency Below Threshold (bank 1)

is this referring to me pre-cat?? there is another code listed for the main cat, but I'm not getting that code.
:shrug:
 

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Buyer Beware
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6,575 Posts
Yup that would be your PreCat. Firewall side.
 

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So its begun.....
Joined
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16,838 Posts
Discussion Starter #3
Doh! Thanks ;)
 
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